Pneumatic Pencil Grinder, General Duty, Free Speed 70000 RPM, 1 Average CFM @ 15 Second Run Time, 7 CFM @ Full Load, Min Hose 1/4 In, Whip Hose ID 1/4 In, Hose Length 5 Ft, Hose 1/4 In, Length 5 3/8 In, Collet Capacity 1/4 In, Required Pressure 90 PSI, 0.1 HP, Rear Exhaust Type, Twist Throttle, Ball Bearings, Aluminum Housing, Motor RPM 70000, Motor Type 4-Vane Rotary, Weight 7.04 Oz